Lenovo 12NA-GAR1-WW Manual do utilizador - Página 24

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Comfort and accessibility

Good ergonomic practice is important to get the most from your personal computer and

to avoid discomfort. Arrange your workplace and the equipment you use to suit your

individual needs and the kind of work that you perform. In addition, use healthy work habits

to maximize your performance and comfort while using your computer. For more detailed

information on any of these topics, visit the Healthy Computing Web site at:

http://www.lenovo.com/healthycomputing/.

Arranging your work area

Use a work surface of appropriate height and available working area to allow you to work

in comfort.

Organize you work area to match the way you use materials and equipment. Keep your

work area clean and clear for the materials that you typically use and place the items that

you use most frequently, such as the computer mouse or telephone, within the easiest reach.

Equipment layout and setup play a large role in your working posture. The following topics

describe how to optimize equipment setup to achieve and maintain good working posture.

Positioning and viewing your monitor

Position and adjust your computer monitor for comfortable viewing by considering the

following items:

• Viewing distance: Recommended viewing distance between the eye and the monitor

screen is 1.5 x the diagonal of the screen. Solutions in meeting this required distance in

cramped office situations include pulling desk away from wall or divider to make room

for monitor, using flat panel or compact displays placing the monitor in the desk corner,

or placing the keyboard in an adjustable drawer to create a deeper working surface.

• Monitor height: Position the monitor so your head and neck are in a comfortable and

neutral (vertical, or upright) position. If your monitor does not have height adjustments,

you might have to place books or other sturdy objects under the base of the monitor to

achieve the desired height. A general guideline is to position the monitor such that the top

of the screen is at or slightly below your eye-height when you are comfortably seated.

However, be sure to optimize your monitor height so the line of site between your eyes

and the center the monitor suits your preferences for visual distance and comfortable

viewing when your eye muscles are in a relaxed state.

• Tilt: Adjust the tilt of your monitor to optimize the appearance of the screen content and

to accommodate your preferred head and neck posture.

• General location: Position your monitor to avoid glare or reflections on the screen from

overhead lighting or nearby windows.

The following are some other tips for comfortable viewing of your monitor:

• Use adequate lighting for the type of work you are performing.

• Use the monitor brightness, contrast, and image adjustment controls, if equipped, to

optimize the image on your screen to meet your visual preferences.

• Keep your monitor screen clean so you can focus on the screen's contents.

Any concentrated and sustained visual activity can be tiring for your eyes. Be sure to

periodically look away from your monitor screen and focus on a far object to allow your

eye muscles to relax. If you have questions on eye fatigue or visual discomfort, consult a

vision care specialist for advice.

2-5 Flat Panel Monitor User's Guide